Name of the polymer |
Gravimetric weight loss in % |
Contact angle |
HDPE St Control |
Nil |
80±0.15° |
HDPE St Positive |
0.00 |
75.0±0.61° |
HDPE St Exiguobacterium |
4.38 |
62.5±1.07° |
HDPE St Mixed culture |
4.00 |
63.7±0.96° |
HDPE UV Control |
Nil |
70.3±0.08° |
HDPE UV Positive |
0.00 |
63.5±0.88° |
HDPE UV Exiguobacterium |
4.75 |
53.6±0.93° |
HDPE UV Mixed culture |
12.08 |
50.7±1.96° |
HDPE St – Starch blended HDPE, HDPE UV – Starch blended HDPE after
aging (incubated in open sunlight for 150 days), Control- before Deployment,
Positive – incubated in sea water without any Bacteria, Mixed - combination of
Exiguobacterium and Bacillus subtilis |